<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        *{margin: 0;padding:0;}
        html{width:100%;}
        a{
            display:block;
            width:50%;
            height:40px;
            font-size: 20px;
            text-align: center;
            margin:0 auto;
            margin-top: 50px;
            text-decoration: none;
            color: black;
        }
    </style>
</head>
<body>
<div>
    <a href="diyiti.html" target="_blank">第一题</a>
    <a href="前端书籍.html" target="_blank">第二题</a>
    <a href="xiaohua.html" target="_blank">第三题</a>
    <a href="书.html" target="_blank">第四题</a>
    <a href="播放器.html" target="_blank">第五题</a>

</div>
</body>
</html>